Cheap flights from Singapore to Bangkok (SIN to BKK) from $277

The cheapest month to fly is August, and departing on Wednesdays typically offers the best fares. Book 6–8 weeks ahead for the best prices.

Book at the right time: For international flights, aim to book 6–10 weeks ahead. Last-minute fares on Singapore to Bangkok are rarely cheap, and prices spike sharply within 2 weeks of departure.

Shift your dates by a day or two: Wednesdays are typically the cheapest day to fly this route. Avoiding Friday and Sunday departures can save significantly. August is historically the cheapest month on this route.

Weigh up connecting flights: Connecting flights on Singapore to Bangkok can be 20–40% cheaper than direct options. If you have time to spare, it's worth comparing.

Factor in baggage fees: Low-cost carriers on this route often advertise attractive base fares but charge separately for checked luggage. Always compare the all-in price — a $20 cheaper fare plus $50 baggage fee is no saving. Singapore Airlines and China Southern Airlines may have different inclusions, so check each airline's fare conditions.

Search in private browsing: Some booking sites use cookies to track repeat searches and may show higher prices after multiple lookups. Use an incognito or private window — or just use Booked AI, which pulls live prices without any tracking markup.

Compare two one-ways against a return: On some international routes, booking a one-way with one airline and the return with another can undercut a standard return ticket — especially if a budget carrier covers one direction. Check both options with the flexible dates calendar above.

The cheapest flights from Singapore to Bangkok start from $277, with typical prices ranging from $277 to $577.

The typical flight time from Singapore to Bangkok is approximately 8 hours and 24 minutes.

Airlines operating this route include Singapore Airlines, China Southern Airlines, VietJet Air, Malaysia Airlines, Vietnam Airlines, EVA Air, Philippine Airlines, Thai Airways, Myanmar Airways International, Garuda Indonesia, FlexFlight, Shenzhen Airlines, China Airlines, Air Macau, Air China, Hainan Airlines, Cathay Pacific, China Eastern Airlines, Bangkok Airways.